package codeSamples_II;

import acm.program.*;
import acm.graphics.*;


public class PlayBall extends GraphicsProgram {

    private static final int DELAY = 50;
    private GOval ball;
    private static final int BALL_RADIUS = 10;

    public void run() {
        setup();
        play();
    }

    private void setup() {
        GOval ball = new GOval(0,0, BALL_RADIUS*2, BALL_RADIUS*2);
        ball.setFilled(true);
        add(ball);
    }

    public void play() {
        while (ball.getY() < 200) {
            ball.move(5, 5);
            pause(DELAY);
        }
    }

}